List questions from partial-derivative

Published on 14 Nov 2018 - 12:12

244

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finding the basis and dimension of a set of complex polynomials?

Published on 14 Nov 2018 - 14:57

52

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Find the derivative of equation in matrix form

Published on 14 Nov 2018 - 18:08

22

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function working on linear map is differential

Published on 15 Nov 2018 - 9:43

56

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Proof: All directional derivatives $\frac{\partial f}{\partial e}$ of $\frac{sin(x^3+y^3)}{x^2+y^2}$ are in the origin

Published on 16 Nov 2018 - 7:12

42

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Derivation $f(tx) = t^{\mu}f(x) \text{ } \forall x \in \mathbb{R}^n \text{\ {0}} \text{ } \forall t \in \mathbb{R}^+$

Published on 25 Mar 2026 - 20:12

404

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$\dfrac{\partial^2 f}{\partial x \partial y} = 0 \nRightarrow f(x,y) = g(x) + h(y)$

Published on 16 Nov 2018 - 21:47

82

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Partial derivative calculation for circular or iterative functions

Published on 26 Mar 2026 - 0:58

136

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Prove $f(x)=x\|x\|$ is differentiable

Published on 18 Nov 2018 - 12:32

1.7k

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Specific case of Mean Value Theorem for partial derivatives

Published on 19 Nov 2018 - 7:13

2.5k

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General solution to Wave Equation (algebraic approach)

Published on 25 Mar 2026 - 10:58

2.2k

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Using the Hessian Matrix to classify points

Published on 25 Mar 2026 - 7:47

148

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Whether supremum and partial derivative can be interchanged?

Published on 27 Mar 2026 - 1:13

697

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Prove that if $D^kf=0$ then $f$ is polynomial

Published on 20 Nov 2018 - 18:24

70

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How to find $\bigg(\frac{\partial P}{\partial T}\bigg)_q$, given $\bigg(\frac{\partial \big(\ln (P) \big)}{\partial T}\bigg)_q$

Published on 20 Nov 2018 - 19:48

List Question

Directional derivatives of collinear vectors

finding the basis and dimension of a set of complex polynomials?

Find the derivative of equation in matrix form

function working on linear map is differential

Proof: All directional derivatives $\frac{\partial f}{\partial e}$ of $\frac{sin(x^3+y^3)}{x^2+y^2}$ are in the origin

Derivation $f(tx) = t^{\mu}f(x) \text{ } \forall x \in \mathbb{R}^n \text{\ {0}} \text{ } \forall t \in \mathbb{R}^+$

$\dfrac{\partial^2 f}{\partial x \partial y} = 0 \nRightarrow f(x,y) = g(x) + h(y)$

Partial derivative calculation for circular or iterative functions

Prove $f(x)=x\|x\|$ is differentiable

Specific case of Mean Value Theorem for partial derivatives

General solution to Wave Equation (algebraic approach)

Using the Hessian Matrix to classify points

Whether supremum and partial derivative can be interchanged?

Prove that if $D^kf=0$ then $f$ is polynomial

How to find $\bigg(\frac{\partial P}{\partial T}\bigg)_q$, given $\bigg(\frac{\partial \big(\ln (P) \big)}{\partial T}\bigg)_q$

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